<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
    {% include 'nav_vis.html' %}
    <h1 style = "color:#ee0000;">{{ data }}</h1>
    <div>
        <img src="/static/2.jpg" />
    </div>
</body>
</html>
